{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA2340-5HL42-0KH0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA2340-5HL42-0KH0","canonicalUrl":"https://aoctrl.com/siemens/3VA2340-5HL42-0KH0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA2340-5HL42-0KH0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA2340-5HL42-0KH0 molded case circuit breaker, 400 A rated continuous current, 4-pole, line protection, breaking capacity 187 kA at 240 V, 121 kA at 415 V, ETU320 release, 110 mm depth, 184 mm width, 248 mm height.","salesMarkdown":"The 3VA2340-5HL42-0KH0: Breaking capacity drops from 187 kA at 240 V to 121 kA at 415 V and 440 V, then 75.6 kA at 500 V, and 17 kA at 690 V — the high 240 V figure covers low-voltage utility feeds; the 415 V rating is the one to check for most European industrial mains. Thermal derating begins at 55 °C: 385 A at 55 °C, 370 A at 60 °C, 355 A at 65 °C, 340 A at 70 °C. Up to 50 °C you get the full 400 A. ## Auxiliary and trip configuration Shunt trip (STL) installed as standard — designated 3VA9688-0BL33. The basic switch variant is 3VA2340-5HL42-0AA0. Latching endurance rated at 15 000 cycles. Maximum power loss 96 W at rated load. Rated insulation voltage Ui 800 V. Dimensions: 110 mm deep, 184 mm wide, 248 mm high — fits standard MCCB panel cutouts.","metaTitle":"Siemens 3VA2340-5HL42-0KH0 SENTRON MCCB, 400 A, 4-pole, line","metaDescription":"Siemens SENTRON 3VA2340-5HL42-0KH0 molded case circuit breaker, 400 A rated, 4-pole, line protection. Breaking capacity 187 kA at 240 V, 121 kA at 415 V. Current production. Quoted","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"Depth":"110 mm","Width":"184 mm","Height":"248 mm","at 240 V":"187 kA","at 415 V":"121 kA","at 440 V":"121 kA","at 500 V":"75.6 kA","at 690 V":"17 kA","at 40 °C":"400 A","at 45 °C":"400 A","at 50 °C":"400 A","at 55 °C":"385 A","at 60 °C":"370 A","at 65 °C":"355 A","at 70 °C":"340 A","Trip indicator":"Yes","Number of poles":"4","Product version":"Line protection","Voltage trigger":"Yes","lifecycle_stage":"current","Product brand name":"SENTRON","Product designation":"Molded case circuit breaker","Latching - endurance":"15 000","Undervoltage Release":"No","Communication Function":"No","Phase failure detection":"No","During Storage / Maximum":"80 °C","During Storage / Minimum":"-40 °C","Power loss [W] / maximum":"96 W","Auxiliary contact version":"2 auxiliary switches + 1 trip alarm switch HQ","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"No","Rated continuous current Iu":"400 A","Rated insulation voltage Ui":"800 V","Of The Supplied Basic Switch":"3VA2340-5HL42-0AA0","Design of the auxiliary release":"Shunt trip (STL)","Ground fault monitoring version":"Without","Of The Integrated Auxiliary Trip":"3VA9688-0BL33","Design of the overcurrent release":"ETU320","Protection class IP / on the front":"IP40","Reference code / acc. to DIN EN 81346-2":"Q","Adjustable response value time / tr max.":"17","Adjustable response value time / tr min.":"0.5","Undervoltage Release With Leading Contact":"No","Product extension / optional / motor drive":"Yes","Adjustable response value current / Ir max.":"400 A","Adjustable response value current / li max.":"4 000 A","Adjustable response value current / li min.":"600 A","Adjustable response value current / lr min.":"160 A","Neutral conductors / upgradeable/retrofittable":"No","Number of CO contacts / for auxiliary contacts":"3","Protective function of the overcurrent release":"LI","Of The Integrated Auxiliary Switch/Alarm Switch":"3VA9988-0AB12","Switching capacity class of the circuit breaker":"M","Max. rated operational current of the frame size":"400 A","Max. rated operational voltage Ue with AC 50/60Hz":"690 V","Type of electrical connection / for main current circuit":"Lug terminal","Arrangement of electrical connectors / for main current circuit":"Front terminal","Type of connectable conductor cross-section, connection screw, width x thickness , max.":"35 x 10","Type of connectable conductor cross-section, connection screw, width x thickness , min.":"20 x 1"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/c1b3b6c5f6d67465025ac41848ceb75e.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=362898&mlfb=3VA2340-5HL42-0KH0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA2340-5HL42-0KH0/alternatives.json"},"ai":{"faq":[{"question":"What is the breaking capacity of 3VA2340-5HL42-0KH0 at 415 V?","answer":"At 415 V the breaking capacity is 121 kA. At 240 V it is 187 kA, at 500 V it is 75.6 kA, and at 690 V it is 17 kA."},{"question":"What is the thermal derating for 3VA2340-5HL42-0KH0 above 50 °C?","answer":"The full 400 A is available up to 50 °C. At 55 °C it derates to 385 A, at 60 °C to 370 A, at 65 °C to 355 A, and at 70 °C to 340 A."},{"question":"How do I get current pricing and availability for 3VA2340-5HL42-0KH0?","answer":"Submit an RFQ — this part is sourced to order through independent distribution. Pricing and stock are confirmed at quote time."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA2340-5HL42-0KH0","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/siemens/3VA2340-5HL42-0KH0 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-09-02T08:15:54.622Z","lastPublished":"2026-09-02T08:15:54.622Z","indexable":true}}